APA aipamena

Parker, G. (1979). Europe in crisis 1598-1648.

Chicago Style aipamena

Parker, Geoffrey. Europe in Crisis 1598-1648. London, Fontana Press, 1979.

MLA aipamena

Parker, Geoffrey. Europe in Crisis 1598-1648. 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.